my mate is having probllems with his central locking when he trys to lock it some times all the doors will lock then maybe only one or then only two but no set pattern the only door that locks all the time is the drivers door he has tried to reset it by putting the key in the ignition but he says that this does not lock the doors neither it is a astra 5 door mrk3 any thoughts on what the dunno.. problem is would be great as he is coming to visit me tomoz and i have told him i am sure some of you guys on this brill site would be able to help out